Quick view Stainless Works Stainless Works 18-19 Dodge Durango 6.4L 1-7/8in Primaries Headers w/ High-Flow Cats - DUR18HCAT Compare $2,375.00 $2,256.99 Improve the sound and performance on your Durango with premium headers from Stainless Works. American-Made and designed for the 2018+ Dodge Durango SRT 6.4L, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase air flow, and... Add to Cart Add to Cart